Expression 20: "y" equals .0 1 9 left parenthesis, "x" , right parenthesis squared minus 6 left brace, negative 11.1 3 7 less than or equal to "x" less than or equal to 11.1 3 7 , right bracey=.019x2−6−11.137≤x≤11.137
20
Expression 21: "y" equals negative 101 left parenthesis, "x" plus 6.6 , right parenthesis positive 6.3 7 6 left brace, negative 5.2 1 4 less than or equal to "y" less than or equal to 6.3 7 6 , right bracey=−101x+6.6+6.376−5.214≤y≤6.376
21
Expression 22: "y" equals 101 left parenthesis, "x" minus 6.6 , right parenthesis positive 6.3 7 6 left brace, negative 5.2 1 4 less than or equal to "y" less than or equal to 6.3 7 6 , right bracey=101x−6.6+6.376−5.214≤y≤6.376
22
Expression 23: "y" less than or equal to negative .0 1 9 left parenthesis, "x" , right parenthesis squared plus 7 left brace, negative 1.8 3 8 less than or equal to "x" less than or equal to 1.8 3 8 , right brace left brace, "y" greater than or equal to .0 8 9 left parenthesis, "x" , right parenthesis squared plus 5 , right bracey≤−.019x2+7−1.838≤x≤1.838y≥.089x2+5
23
Expression 24: "y" equals .0 8 9 left parenthesis, "x" , right parenthesis squared plus 5 left brace, negative 1.8 3 8 less than or equal to "x" less than or equal to 1.8 3 8 , right bracey=.089x2+5−1.838≤x≤1.838
24
Expression 25: "x" greater than or equal to .2 left parenthesis, "y" minus 6 , right parenthesis squared minus 2 left brace, 5.3 5 3 less than or equal to "y" less than or equal to 6.9 2 5 , right brace left brace, "x" less than or equal to 2 , right bracex≥.2y−62−25.353≤y≤6.925x≤2
25
Expression 26: "x" equals negative .2 left parenthesis, "y" minus 6 , right parenthesis squared plus 2 left brace, 5.3 5 3 less than or equal to "y" less than or equal to 6.9 2 5 , right bracex=−.2y−62+25.353≤y≤6.925
26
Expression 27: left parenthesis, "x" , right parenthesis squared plus 20 left parenthesis, "y" minus 3 , right parenthesis squared equals 25 left brace, "y" less than or equal to 3.3 , right brace left brace, "x" less than or equal to 4.6 , right bracex2+20y−32=25y≤3.3x≤4.6
27
Expression 28: 1.6 left parenthesis, "x" , right parenthesis squared plus left parenthesis, "y" , right parenthesis squared less than or equal to 9 left brace, "y" less than or equal to 1.9 7 5 , right brace1.6x2+y2≤9y≤1.975
28
Expression 29: "x" equals 0 left brace, 0.5 less than or equal to "y" less than or equal to 1.8 8 2 , right bracex=00.5≤y≤1.882
29
Expression 30: "y" greater than or equal to .0 1 9 left parenthesis, "x" , right parenthesis squared negative 10 left brace, negative 11.4 5 9 less than or equal to "x" less than or equal to 11.4 5 9 , right brace left brace, "y" less than or equal to .0 1 9 left parenthesis, "x" , right parenthesis squared minus 6 , right bracey≥.019x2−10−11.459≤x≤11.459y≤.019x2−6
30
Expression 31: left parenthesis, "x" plus 8 , right parenthesis squared plus left parenthesis, "y" plus 6.5 9 , right parenthesis squared less than or equal to .5x+82+y+6.592≤.5
31
Expression 32: left parenthesis, "x" plus 4.6 , right parenthesis squared plus left parenthesis, "y" plus 7.5 , right parenthesis squared less than or equal to .5x+4.62+y+7.52≤.5
32
Expression 33: left parenthesis, "x" plus 1.3 , right parenthesis squared plus left parenthesis, "y" plus 8 , right parenthesis squared less than or equal to .5x+1.32+y+82≤.5
33
Expression 34: left parenthesis, "x" minus 4.3 , right parenthesis squared plus 4 left parenthesis, "y" plus 7.7 , right parenthesis to the 20th power less than or equal to 4x−4.32+4y+7.720≤4
34
Expression 35: 2 left parenthesis, "x" minus 4.5 , right parenthesis to the 10th power plus 2000 left parenthesis, "y" plus 7.7 , right parenthesis to the 10th power less than or equal to 4000002x−4.510+2000y+7.710≤400000
35
Expression 36: "x" equals .0 0 6 left parenthesis, "y" plus 9.2 1 1 , right parenthesis squared minus 6.4 4 6 left brace, negative 24 less than or equal to "y" less than or equal to negative 9.2 1 1 , right bracex=.006y+9.2112−6.446−24≤y≤−9.211
36
Expression 37: "x" equals negative .0 0 6 left parenthesis, "y" plus 9.2 1 1 , right parenthesis squared plus 6.4 4 6 left brace, negative 24 less than or equal to "y" less than or equal to negative 9.2 1 1 , right bracex=−.006y+9.2112+6.446−24≤y≤−9.211
37
Expression 38: "x" greater than or equal to negative .0 0 3 left parenthesis, "y" plus 7.5 0 5 , right parenthesis squared minus 11.3 5 9 left brace, negative 24 less than or equal to "y" less than or equal to negative 7.5 0 5 , right brace left brace, "x" less than or equal to .0 0 6 left parenthesis, "y" plus 9.2 1 1 , right parenthesis squared minus 6.4 4 6 , right brace left brace, "y" less than or equal to .0 1 9 left parenthesis, "x" , right parenthesis squared negative 10 , right bracex≥−.003y+7.5052−11.359−24≤y≤−7.505x≤.006y+9.2112−6.446y≤.019x2−10
38
Expression 39: "x" less than or equal to .0 0 3 left parenthesis, "y" plus 7.5 0 5 , right parenthesis squared plus 11.3 5 9 left brace, negative 24 less than or equal to "y" less than or equal to negative 7.5 0 5 , right brace left brace, "y" less than or equal to .0 1 9 left parenthesis, "x" , right parenthesis squared negative 10 , right brace left brace, "x" greater than or equal to negative .0 0 6 left parenthesis, "y" plus 9.2 1 1 , right parenthesis squared plus 6.4 4 6 , right bracex≤.003y+7.5052+11.359−24≤y≤−7.505y≤.019x2−10x≥−.006y+9.2112+6.446